<template>
  <div>
    <h1>当前求和为：{{sum}}</h1>
    <h3>当前求和放大10倍为：{{bigSum}}</h3>
    <h3>我在{{school}}学习{{subject}}</h3>
    <h3 style="color:red">Person组件的总人数是：{{personList.length}}</h3>
    <select v-model.number="n">
      <option value="1">1</option>
      <option value="2">2</option>
      <option value="3">3</option>
    </select>
    <button @click="increment(n)">+</button>
    <button @click="decrement(n)">-</button>
    <button @click="incrementOdd(n)">当前求和为奇数再加</button>
    <button @click="incrementWait(n)">等一等再加</button>
  </div>
</template>

<script>
  import {mapState,mapGetters,mapMutations,mapActions} from 'vuex'
export default {
    name:'Count',
    data(){
      return {
        n:1, //用户选择的数字
      }
    },
    computed:{
      // 数组写法
      ...mapState('countAbout',['sum','school','subject',]),
      ...mapState('personOptions',['personList']),
      // 借助mapGetters生成计算属性，从getters中读取数据（数组写法）
      ...mapGetters('countAbout',['bigSum']),
    },
    methods: {
      // 借助mapMutations生成对应的方法，方法中会调用commit去联系mutations（对象写法）
      ...mapMutations('countAbout',{increment:'JIA',decrement:'JIAN'}),
      // 借助mapActions生成对应的方法，方法中会调用dispatch去联系actions（对象写法）
      ...mapActions('countAbout',{incrementOdd:'jiaOdd',incrementWait:'jiaWait'}),
    },
    mounted(){
      
    }
}
</script>

<style>
  button{
    margin-left: 6px;
  }
</style>